<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			h2{
				color:red;
			}
		</style>
	</head>
	<body>
		<!--写个内部样式让h2标签标题变成红色-->
		<h2>粤嵌</h2>
	</body>
</html>
